GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Savana 🢒 Engine 🢒 Engine Mechanical - 8.1L 🢒 Oil Pump Drive Replacement

Removal Procedure

    Object Number: 470910 Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
  2. Remove the oil pump drive bolt.
  3. Remove the oil pump drive.
  4. Clean and inspect the oil pump drive. Refer to Exhaust Manifold Installation - Left Side in Engine Mechanical - 8.1L Unit Repair.

Installation Procedure

    Object Number: 470910 Size: SH
  1. Apply grease to the oil pump drive gear for ease of assembly.

    2. Important: Correct alignment of the oil pump drive and oil pump driveshaft is critical. Make sure both components mate correctly, or engine damage may occur.

  2. Line up the oil pump drive, making sure that the oil pump drive is fully seated in the engine block.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the oil pump drive bolt.

    4. Tighten
    Tighten the oil pump drive bolt to 25 N·m (18 lb ft).

  4. Install the manifold. Refer to Intake Manifold Replacement .